- Min.Order :5 Metric Ton
- Purity: 99%
- Payment Terms : L/C,T/T
Keywords
UV Absorber 328 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole CAS: 25973-55-1
Quick Details
- Appearance:slight yellow powder
- Application:UV Absorber For Plastics
- PackAge:25kg/drum
- ProductionCapacity:10000|Metric Ton|Year
- Storage:Store in cool and dry place, away from sun light
- Transportation:By sea or by air
Superiority:
UV-328(Benzotriazole UV Absorber )
Chemical name : 2-(2'-Hydroxy-3', 5'-di-tert-amylphenyl) benzotriazole
Introduction : UV-328 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-328 protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles, films, sheets, and fibers during outdoor weathering.
Molecular Formula : C22H29N30
CAS NO : 25973-55-1
Physical Properties
Molecular Weight : 351.5
Appearance : slight yellow powder
Melting Range : 80-88 °C
Flashpoint : 229 °C
Specific Gravity(20 °C ) : 1.17g/cm3
Volatility Pure substance; TGA, heating rate 20 °C /min in air
|
Weight Loss (%) |
Temperature °C |
|
1.0 |
183 |
|
2.0 |
202 |
|
5.0 |
223 |
Details:
Solubility At 20 °C (g/100ml solvent)
|
Solvent |
Solubility |
|
Acetone |
6% |
|
Benzene |
39% |
|
Butyl Carbitol |
3.5% |
|
Butanol |
2.5% |
|
Butylacetate |
15% |
|
Chloroform |
44% |
|
Ethyl Acetate |
20% |
|
Ethylglycol |
4% |
|
n-Hexane |
16% |
|
MEK |
14% |
|
Methanol |
0.4% |
|
Xylene |
34% |
|
Methylene Chloride |
56% |
|
Water |
<0.01% |
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